52778584 has 8 divisors (see below), whose sum is σ = 98959860. Its totient is φ = 26389288.

The previous prime is 52778569. The next prime is 52778597. The reversal of 52778584 is 48587725.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298654 + ... + 3298669.

Almost surely, 2^52778584 is an apocalyptic number.

It is an amenable number.

52778584 is a deficient number, since it is larger than the sum of its proper divisors (46181276).

52778584 is a wasteful number, since it uses less digits than its factorization.

52778584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597329 (or 6597325 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 52778584 is about 7264.8870603747. The cubic root of 52778584 is about 375.1047624339.

It can be divided in two parts, 5277 and 8584, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 52778584 in words is "fifty-two million, seven hundred seventy-eight thousand, five hundred eighty-four".